My dogs love smoothies so much they've begun to perk up at the sound of the blender. Since dogs rarely take the time to chew anything, blending fruits and veggies beforehand lets them better absorb all of those amazing nutrients. a Tasty, Healthy Treat for Your Dog · What Vegetables Can Dogs Eat? Fruit and vegetable smoothies are an excellent healthy choice and a great addition to any diet. But can you safely allow your dog a few sips of your morning. If you're on the lookout for new and fun ways to rev up your furry best friend's diet, adding vegetables can be a really healthy way to do that.